GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2009 🢒 TrailBlazer - 4WD 🢒 Body Hardware and Trim 🢒 Instrument Panel and Console Trim 🢒 Radio Replacement

Removal Procedure
  1. Remove the lower closeout/insulator panel (GMC only). Refer to Instrument Panel Insulator Panel Replacement.
  2. Remove the accessory trim plate. Refer to Instrument Panel Cluster Trim Plate Bezel Replacement or Instrument Panel Accessory Trim Plate Replacement.

    3. Object Number: 718020 Size: SH
  3. Remove the 3 screws that retain the radio to the instrument panel (I/P).
  4. Partially remove the radio disengaging the radio rear alignment locator (1) to gain access to the electrical connectors.
  5. Disconnect the radio antenna cable.
  6. Disconnect the electrical connectors to the radio.
  7. Remove the radio from the vehicle.

Installation Procedure

    Object Number: 718020 Size: SH
  1. Position the radio to the I/P.
  2. Connect the electrical connectors to the radio.
  3. Connect the radio antenna cable to the radio.
  4. Position the radio rear alignment locator (1) into the I/P substrate.

    5. Caution: Refer to Fastener Caution in the Preface section.

  5. Install the 3 screws that retain the radio to the I/P.

    6. Tighten
    Tighten the screws to 2 N·m (18 lb in).

  6. Install the accessory trim plate. Refer to Instrument Panel Cluster Trim Plate Bezel Replacement or Instrument Panel Accessory Trim Plate Replacement.
  7. Install the lower closeout/insulator panel (GMC only). Refer to Instrument Panel Insulator Panel Replacement.
  8. If a replacement radio is installed, setup the radio. Refer to Control Module References.